AirHint found the following cheapest return flights from London (LTN) to Perth (PER) in August 2025 (see full year).

Return flights

26 Aug - 16 Sep	Wizz Air UK
13 Aug - 16 Sep	easyJet
13 Aug - 10 Sep	easyJet
26 Aug - 31 Aug	Wizz Air UK
15 Aug - 14 Sep	easyJet
11 Aug - 17 Aug	easyJet
08 Aug - 17 Aug	easyJet
18 Aug - 06 Sep	easyJet
14 Aug - 17 Aug	easyJet
05 Aug - 07 Aug	easyJet
08 Aug - 10 Aug	easyJet
17 Aug - 03 Sep	Wizz Air UK
05 Aug - 11 Aug	Ryanair
15 Aug - 02 Sep	easyJet
25 Aug - 31 Aug	Ryanair
04 Aug - 09 Aug	easyJet
10 Aug - 17 Aug	easyJet
18 Aug - 01 Sep	Ryanair
17 Aug - 02 Sep	Wizz Air UK
04 Aug - 02 Sep	Wizz Air UK

Also check the deals for one-way flights from London to Perth in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Perth in August from 831€

Return flights